JIUWU Diamond Drill Bit Set Hole Saw Hollow Core Extractor Remover Tools for Tiles Glass Ceramic Porcelain Marble Bottles, 1.1-1.5-Inches
- Hole opener with a special head opening design, in particular, is conducive to chip removal, cutting resistance, drilling more sharp.
- This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
- The hole saw open more neat smooth, no choking, no broken edge, no tremor phenomenon, the hole speed is very fast, easy chip evacuation and so on.
- Can be used with a standard electric drill (not included), Always use lubrication (water), otherwise the diamond core drill will burn. Warnings: Not for use on Concrete or for depths beyond about 1/2\"; Water is required for lubrication when drilling.
- 5 SIZES: 1.1\" / 28mm, 1.2\" / 30mm, 1.3\" / 32mm, 1.4\" / 35mm, 1.5\" / 38mm, different drill bits included with this glass drill bit set to meet various demands. Perfect for drilling glass, tile, porcelain tile, ceramic, brick, and stone.